Depending on whom you ask, this dress might be black ... on a white/gold dress (it is in shadow, but more reflective)." In other words, our individual sensitivity to the blue background lighting ...

Whether you saw the above dress as blue and black ... on a page with a white background. Then head to a dark room for half an hour, before looking at the dress there on a black background ...

"Most people will see the blue on the white background as blue," Conway says. "But on the black background some might see it as white." He even speculated, perhaps jokingly, that the white-gold ...